Generate toCSSFooValue() for CSSCanvasValue, and use it. This type cast function will help to detect bad-casts. To generate toCSSCanvasValue, isCanvasValue() is added.
Created attachment 212892 [details] Patch
Comment on attachment 212892 [details] Patch Clearing flags on attachment: 212892 Committed r156633: <http://trac.webkit.org/changeset/156633>
All reviewed patches have been landed. Closing bug.